Year	MJ/$2017 PPP GDP
2006	1.69
2007	1.97
2008	2.01
2009	2.05
2010	2.11
2011	2.2
2012	2
2013	1.95
2014	1.94
2015	1.93
2016	1.83
2017	1.88
2018	1.9
2019	2.06
2020	2.02
2021	1.93